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12 Volt Smart Battery Chargers: 21 Amps and Above

On this page you will find our 12 volt chargers that are 21 amps and higher in output capacity. These are our 'Heavy Hitters', designed to quickly charge up large batteries and battery systems. Suitable for batteries that are 60 amps capacity and over, they each also include a smart charging ability that will not overcharge, yet constantly monitor your battery level to keep them at their absolute best. Never worry about your batteries again!

40 Items Found
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IOTA DLS-30/IQ4 | 12v 30 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$169.95
Part No. DLS-30/IQ4
Output Banks
1
Size (L×W×H)
9.7 × 6.5 × 3.5 in
Weight
5.5 lb
VIEW PRODUCT
IOTA DLS-30 | IOTA 12v 30 Amp Power Converter / Battery Charger
$154.00$128.95
Part No. DLS-30
Output Banks
1
Size (L×W×H)
9.7 × 6.7 × 3.4 in
Weight
4.5 lb
VIEW PRODUCT
Progressive Dynamics PD9330V | 12v 30 Amp 9300 Series RV Converter Charger by Progressive Dynamics
$269.00$219.95
Part No. PD9330V
Size (L×W×H)
8.25 × 7.25 × 4.5 in
Weight
4.5 LB lb
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Samlex 12v 30 Amp 3 Bank Automatic Smart Charger SEC-1230UL
$352.10$281.70
Part No. SEC-1230UL
Output Banks
3
Size (L×W×H)
10.7 × 8.4 × 3.25 in
Weight
5.3 lb
VIEW PRODUCT
ProMariner ProNautic 1230P 12v 30 Amp 3-Bank Marine Battery Charger
$668.00$486.95
Part No. 63130
Voltage
12 V V
Size (L×W×H)
10.25 × 8.5 × 3.5 in
Weight
6.8 lb
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PowerMax PM3-35LK | 12v 35 Amp Charger Converter Power Supply
$150.00$107.95
Part No. PM3-35LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 in
Weight
7 lb
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Progressive Dynamics PD2140V | 12v 40 Amp 3-Bank 2100 Series Inteli-Power Marine Converter Charger
$424.95
Part No. PD2140V
Output Banks
3
Size (L×W×H)
10.9 × 7.8 × 4.2 in
Weight
6.25 LB lb
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IOTA DLS-45/IQ4 | IOTA 12v 45 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$174.95
Part No. DLS-45/IQ4
Output Banks
1
Size (L×W×H)
9.7 × 6.5 × 3.5 in
Weight
5.5 lb
VIEW PRODUCT
IOTA DLS-45 | IOTA 12v 45 Amp Power Converter / Battery Charger
$175.00$149.95
Part No. DLS-45
Output Banks
1
Size (L×W×H)
9.7 × 6.7 × 3.4 in
Weight
5.0 lb
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PowerMax PM3-45LK | 12v 45 Amp Charger Converter Power Supply
$170.00$117.95
Part No. PM3-45LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 in
Weight
5.95 lb
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Progressive Dynamics PD9345V | 12v 45 Amp 9300 Series RV Converter Charger by Progressive Dynamics
$279.00$244.95
Part No. PD9345V
Size (L×W×H)
8.25 × 7.25 × 4.5 in
Weight
4.5 LB lb
VIEW PRODUCT
Progressive Dynamics 12v 45 Amp 9200 Series Inteli-Power Converter
$270.00$249.95
Part No. PD9245CV
Size (L×W×H)
8.25 × 7.25 × 4.7 in
Weight
4.5 LB lb
VIEW PRODUCT
Samlex 12v 50 Amp 2 Bank Automatic Smart Charger - SEC-1250UL
$639.60$511.70
Part No. SEC-1250UL
Size (L×W×H)
13.03 × 9.6 × 3.82 in
Weight
9 lb
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ProMariner ProNautic 1250P 12v 50 Amp 3-Bank Marine Battery Charger
$683.99$635.95
Part No. 63150
Voltage
12 V V
Size (L×W×H)
12 ⅜ × 7 ¾ × 3 ½ in
Weight
8.85 lb
VIEW PRODUCT
IOTA DLS-55/IQ4 | IOTA 12v 55 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$183.95
Part No. DLS-55/IQ4
Output Banks
1
Size (L×W×H)
9.67 × 6.7 × 3.4 in
Weight
5 lb
VIEW PRODUCT
IOTA DLS-55 | IOTA 12v 55 Amp Power Converter / Battery Charger
$182.00$154.95
Part No. DLS-55
Output Banks
1
Size (L×W×H)
9.7 × 6.7 × 3.4 in
Weight
5.0 lb
VIEW PRODUCT
PowerMax PM3-55LK | 12v 55 Amp Charger Converter Power Supply
$190.00$128.95
Part No. PM3-55LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 in
Weight
6.1 lb
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PowerMax PMBC-55LK | 12v 55 Amp Charger Converter Power Supply w/ Alligator Clamps
$274.99$261.95
Part No. PMBC-55LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 5.45 in
Weight
11 lb
VIEW PRODUCT
NOCO GENIUSPRO50 | Genius Pro 50 6v 12v 50-Amp / 24v 25-Amp Charger & Maintainer
$999.95$899.95
Part No. GENIUSPRO50
Size (L×W×H)
12.3 × 6.9 × 3.6 in
Weight
5 lb
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Progressive Dynamics 12v 60 Amp 9200 Series Inteli-Power Converter
$301.00$283.95
Part No. PD9260CV
Size (L×W×H)
9.15 × 7.38 × 3.6 in
Weight
5.8 LB lb
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Progressive Dynamics PD2160V | 12v 60 Amp 3-Bank 2100 Series Inteli-Power Marine Converter Charger
$579.95
Part No. PD2160V
Output Banks
3
Size (L×W×H)
10.9 × 7.8 × 4.2 in
Weight
6.4 LB lb
VIEW PRODUCT
Progressive Dynamics PD9360V | 12v 60 Amp 9300 Series RV Converter Charger by Progressive Dynamics
$359.00$287.95
Part No. PD9360V
Size (L×W×H)
9.0 × 8.0 × 3.6 in
Weight
5.8 LB lb
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ProMariner ProNautic 1260P 12v 60 Amp 3-Bank Marine Battery Charger
$1136.00$821.95
Part No. 63160
Voltage
12 V V
Size (L×W×H)
12.25 × 8.5 × 3.5 in
Weight
8.85 lb
VIEW PRODUCT
Xantrex 804-1260-02 | TRUECharge2 60 12v 60 Amp 3-Bank Battery Charger
$719.99$624.95
Part No. 804-1260-02
Size (L×W×H)
13.4 × 6.7 × 3.5 in
Weight
9.9 lb
VIEW PRODUCT
Progressive Dynamics 12v 70 Amp 9200 Series Inteli-Power Converter
$351.00$322.95
Part No. PD9270V
Size (L×W×H)
9.15 × 7.38 × 3.6 in
Weight
5.8 LB lb
VIEW PRODUCT
IOTA DLS-75 | IOTA 12v 75 Amp Power Converter / Battery Charger
$269.00$231.95
Part No. DLS-75
Output Banks
1
Size (L×W×H)
13 × 6.5 × 3.4 in
Weight
7.8 lb
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IOTA DLS-75/IQ4 | IOTA 12v 75 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$264.95
Part No. DLS-75/IQ4
Output Banks
1
Size (L×W×H)
10 × 6.5 × 3.5 in
Weight
7.5 lb
VIEW PRODUCT
PowerMax PM3-75LK | 12v 75 Amp Charger Converter Power Supply
$239.00$158.95
Part No. PM3-75LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 3.45 in
Weight
6.75 lb
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PowerMax PMBC-75LK | 12v 75 Amp Charger Converter Power Supply w/ Alligator Clamps
$309.95$286.95
Part No. PMBC-75LK
Output Banks
1
Size (L×W×H)
7.15 × 10.5 × 5.45 in
Weight
11 lb
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Progressive Dynamics 12v 80 Amp 9200 Series Inteli-Power Converter
$391.00$361.95
Part No. PD9280AV
Size (L×W×H)
9.15 × 7.38 × 3.6 in
Weight
6 LB lb
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Samlex 12v 80 Amp 2 Bank Automatic Smart Charger SEC-1280UL
$908.40$726.70
Part No. SEC-1280UL
Size (L×W×H)
15 × 9.61 × 3.82 in
Weight
9 lb
VIEW PRODUCT
IOTA DLS-90/IQ4 | 12v 90 Amp Charger Converter Power Supply w/Integrated IQ4 Sensor
$291.95
Part No. DLS-90/IQ4
Output Banks
1
Size (L×W×H)
10 × 6.5 × 3.5 in
Weight
9.5 lb
VIEW PRODUCT
IOTA DLS-90 | IOTA 12v 90 Amp Power Converter / Battery Charger
$284.00$264.95
Part No. DLS-90
Output Banks
1
Size (L×W×H)
13.1 × 6.5 × 3.4 in
Weight
9.5 lb
VIEW PRODUCT
PowerMax PM3-100LK | 12v 100 Amp Charger Converter Power Supply
$289.00$183.95
Part No. PM3-100LK
Output Banks
1
Size (L×W×H)
7.15 × 11 × 3.48 in
Weight
7.45 lb
VIEW PRODUCT
PowerMax PMBC-100LK | 12v 100 Amp Charger Converter Power Supply w/ Alligator Clamps
$357.95$298.95
Part No. PMBC-100LK
Output Banks
1
Size (L×W×H)
7.15 × 11 × 5.48 in
Weight
11 lb
VIEW PRODUCT
Progressive Dynamics PD2180V | 12v 80 Amp 3-Bank 2100 Series Inteli-Power Marine Converter Charger
$759.95
Part No. PD2180V
Output Banks
3
Size (L×W×H)
10.9 × 7.8 × 4.2 in
Weight
9.2 LB lb
VIEW PRODUCT
Progressive Dynamics PD9380V | 12v 80 Amp 9300 Series RV Converter Charger by Progressive Dynamics
$398.00$379.95
Part No. PD9380V
Size (L×W×H)
9.0 × 8.0 × 3.6 in
Weight
6.0 LB lb
VIEW PRODUCT
NOCO GENIUSPRO25 | Genius Pro 25 6v 12v 25 Amp / 24v 12.5-Amp Charger & Maintainer
Out of Stock
$624.95$599.95
Part No. GENIUSPRO25
Size (L×W×H)
9.3 × 5.1 × 3.0 in
Weight
2.7 lb
VIEW PRODUCT
Interacter 12v 25 Amp Industrial Commercial Series Charger ICS1230
Out of Stock
$319.95
Part No. ICS1230
Output Banks
1
Size (L×W×H)
12 × 7 × 7 in
Weight
24.0 lb
VIEW PRODUCT
Xantrex 804-1240-02 | TRUECharge2 40 12v 40 Amp 3-Bank Battery Charger
Out of Stock
$435.99$374.95
Part No. 804-1240-02
Size (L×W×H)
9.8 × 6.7 × 2.8 in
Weight
4.8 lb
VIEW PRODUCT

High amp output, quicker charge times

Choose from Interacter, Samlex, Iota, Pulse Tech, and Schumacher for a charger that is big enough to handle large capacity batteries. Options include Gel-profile, Multi-Bank, Power supply, Jump Starts, and Desulphating chargers.

If you need more information about sizing your unique application, please check out our tutorials how batteries work, and our battery chargers tutorial for answers, email us, or call our Tech line at 541-474-4421.

*Exclusions may apply for large, oversize items.  Flat Rate shipping is for the lower 48 states only.